The Escherichia coli NADH:ubiquinone oxidoreductase (complex I) is a primary proton pump but may be capable of secondary sodium antiport.
D000596:Amino Acids / Q000378:metabolism; D042967:Electron Transport Complex I / Q000502:physiology*; D029968:Escherichia coli Proteins / Q000502:physiology*; D005456:Fluorescent Dyes; D005470:Fluorometry; D006863:Hydrogen-Ion Concentration; D008081:Liposomes; D008564:Membrane Potentials; D010084:Oxidation-Reduction; D017494:Proton Pumps; D012964:Sodium / Q000494:pharmacology; D017923:Sodium-Hydrogen Exchangers
D000596:Amino Acids; D029968:Escherichia coli Proteins; D005456:Fluorescent Dyes; D008081:Liposomes; D017494:Proton Pumps; D017923:Sodium-Hydrogen Exchangers; D012964:Sodium; D042967:Electron Transport Complex I